Sökning: "hästhållning"

Hittade 2 avhandlingar innehållade ordet hästhållning.

1. 1. Anaerobic digestion of horse manure : renewable energy and plant nutrients in a systems perspective

   Författare :Åsa Hadin; Ola Eriksson; Karl Hillman; Nils Ryrholm; Högskolan i Gävle; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Horse manure; horse keeping; anaerobic digestion; nutrient recycling; systems perspective; bedding; methane potential; feedstock; biogas; biofertilizer; Hästgödsel; hästhållning; rötning; näringsåterföring; systemperspektiv; strömaterial; metanpotential; biogassubstrat; biogas; biogödsel;

   Sammanfattning : In horse keeping horse manure is produced, which can be utilized as a fertilizer or considered a waste. Horse manure constitutes a resource in terms of both plant nutrients and energy. In addition energy policies and objectives aim at replacing fossil fuels with renewable energy sources. LÄS MER

3. 2. Hästarnas land : Aristokratisk hästhållning och ridkonst i Svealands yngre järnålder

   Författare :Anneli Sundkvist; Uppsala universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; Archaeology; horsemanship; art of riding; aristorcracy; boatgraves; falconry; iconography; Arkeologi; Archaeology subjects; Arkeologiämnen; arkeologi; Archaeology;

   Sammanfattning : The aim of the dissertation is to discuss aristocratic horse-keeping and riding in Late Iron Age central Svealand (e. 550-1060 AD). Horse keeping is studied against the background of historical sources. Horses have been kept out of doors all year round in many areas, with or without human supervision. LÄS MER